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dr bs canine feline

Apocrine Sweat glands, anal sacs, sympathetic NS
Sebaceous Hair follicles, secrete sebum(oily), large glands
3 layers of skin Epidermis, dermis, hypodermis
Dermatology Study of diseases of the skin
Alopecia Hairloss
Seborrhea Excessive secretion of sebum
Erythema Increased redness
Collarette Circular arrangement of scale with central area of hyperpigmentation
Crust Accumulation of dead cells and exudate on skin surface.
Ectoparasites External parasites
Dermatophyte Fungi that grow on skin
Dermatophytosis (Ring worm) skin infection with keratinophilic fungi
Pyoderma Bacterial infection of skin, (superficial or deep)
Impetigo "Puppy Pyoderma" superficial bacterial skin infection seen in young dogs
Lesion Area of altered skin
Rash Wide spread eruption of lesions
Hyperpigmentation Increased pigmentation of skin
Lichenification Thickening and hardening of skin characterized by exaggerated superficial skin markings
Cyst Fluctuant nodule; walled off, fluid filled nodule
Papule Small, circumscribed solid elevated lesion of the skin. ~1cm
pustule Small, elevated, circumscribed, pus-containing lesion of the akin within the epidermis
Abscess Localized collection of pus, larger than a pustule
Cellulitis Swollen, tender area of skin with bacterial infection; can develop into an abscess
Granulation tissue New tissue in a healing wound; consists of connective tissue and capillaries
Erosion Loss of skin surface; shallow, moist, crusted does not penetrate basement membrane
Ulcer Los of the epidermis resulting in exposure of dermis
Comedone Dilated hair follicle blocked with sebum and other cellular debris
Seborrhea sicca Dry, only scaliness
Seborrhea oleosa Oily and scales
Keratolytics Group of antiseborrheics
Seborrheic fungal dermatitis Malassezia species
Cause of Pyoderma Canine-staph intermedius Feline- pasteurella multocida
Deep pyoderma Staph intermedius, proteus, pseudomonas, e coli
Superficial pyoderma Acute moist dermatitis("hot spots"), impetigo(superficial pustular dermatitis), skin fold Pyoderma(intertrigo), acne
Ear mites Otodectes cynotis. Live on skin surface in external ears
Flea Ctenocephalides (felis)
Brown dog tick Rhipicephalus sanguineus RMSF/Ehrlichia
Deer tick Ixodes spp. Luke disease
American dog tick Dermacentor veriabilis. RMSF
Mites life cycle Egg, larva(6 legs), nymph, adult (8 legs)
Burrowing mites Family sarcoptidae and family demodicidae
Family sarcoptidae Sarcoptes, notoedres, knemidocoptes, trixacarus
Family demodicidae Demodex
Nonburrowing mites Cheyletiellosis(walking dandruff)
Warbles Cuterebra
Myiasis Fly maggots
Bot fly Diptera
Dog lice Linognathus setosus
Dermatophytes Microsporum canis Microsporum gypseum
Dermatophytosis Ringworm
Atopy Atopic dermatitis
Otitis externa Acute or chronic inflammatory disease of the external ear canal
Malassezzia Otitis (Otitis externa) footprint, bowling pins, or snowman shaped
Bacterial Otitis (Otitis externa) rod shaped And a skin cell
Anal sac disease Sebaceous glands that produce a foul smelling oily, brown fluid. Naturally expressed during defication but can overfill.
Benign tumors of the skin Histiocytoma, lipoma, papillomas, sebacceous gland cysts
Malignant skin tumor Vaccine associated sarcomas, mast cell tumors, melanoma
Blistering disease Pemphigus foliaceus
Immune mediated condition Pemphigus
How Malignant tumors are expressed FNA fine needle aspirate
Mast cells contain Histamine and heparin
Dermatophytosis examples Microsporum canis, microsporum gypseum, trichophyton mentagrophyte
2nd most popular demodex on cat Demodex gati
Flea allergy dermatitis in cats Miliary dermatitis
Created by: Marie11892